<template>
    <div>
        <!--顶部滑动条-->
        <div id="slider" class="mui-slider">
				<div id="sliderSegmentedControl" class="mui-scroll-wrapper mui-slider-indicator mui-segmented-control mui-segmented-control-inverted">
					<div class="mui-scroll">
						<a :class="['mui-control-item',item.id == 0 ? 'mui-active' : '']"
						 v-for="item in cates" :key="item.id" @click="getPhotoListByCateId(item.id)">
							{{item.title}}{{item.id}}
						</a>
					</div>
				</div>
		</div>
		<!--图片列表区域-->
		<ul class="photo-list">
			<router-link v-for="item in list" :key="item.id" :to="'/home/photoinfo/' + item.id" tag="li">
				<img v-lazy="item.img_url">
				<div class="info">
					<h1 class="info-title">{{item.title}}</h1>
					<div class="info-body">{{item.zhaiyao}}</div>
				</div>
			</router-link>
		</ul>
    </div>
</template>

<script>
import {Toast} from "mint-ui";
//1.1导入mui的js
import mui from '../../lib/mui/js/mui.min.js'


export default{
	data(){
		return{
			cates:[], //所有分类的列表数组
			list:[] //图片列表数组
			
		};
	},
	mounted(){ //当组件中的DOM解构被渲染好并放到页面中后，会执行这个 钩子函数
		//1.2初始化滑动控件
		mui('.mui-scroll-wrapper').scroll({
		deceleration:0.0005 //减速系数，系数越大，滚动越慢，滚动距离越小，默认值0.0006
		});
	},
	created(){
		this.getAllCategory();
		this.getPhotoListByCateId(1);
	},
	methods:{
		getAllCategory(){
			//获取所有图片分类
			this.$http.get("imgcategory.php").then(result =>{
				if(result.body.code === 0){
					//console.log(result.body);
					//手动拼接处一个最完美的分类列表
					result.body.data.unshift( {id : 0,title :'全部'});
					this.cates = result.body.data;
					//console.log(this.cates);
				}else{
					Toast("获取分类失败");
				}
			});
		},
		getPhotoListByCateId(cateId){
			//根据分类id,获取图片列表
			this.$http.get("photoimages"+cateId).then(result =>{
				if(result.body.code === 0){
					//console.log(result.body);
					console.log(cateId);
					console.log(result.body);
					this.list = result.body.data;
				}else{
					Toast("获取图片分享图失败");
				}
			});
		}

	}
}
</script>

<style lang="scss" scoped>
*{
	touch-action:pan-y;
}

.photo-list{
	list-style: none;
	padding: 10px;
	margin: 0;
	padding-bottom: 0px;
	li{
		background-color: #ccc;
		text-align:center;
		margin-bottom: 10px;
		box-shadow:0 0 6px #999;
		position:relative;
		img { 
			width: 100%;
			vertical-align:middle;
		}
		img [lazy="loading"]{
		width: 40px;
		height: 300px;
		margin: auto;
		}

		.info{
			color:white;
			text-align:left;
			position:absolute;
			bottom:0;
			background-color:rgba(0,0,0,0.2);
			width:100%;
			max-height:84px;
			.info-title{
				font-size:14px;
			}
			.info-body{
				font-size:13px;
			}
		}
	}
}


</style>